Unique Klasse DSA-0910LG-M, Service Manual

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9 9)) O Ou uttd do oo orr u un niitt d do oe es s n no ott w wo orrk k..
* Automatic On/Off according to the temperature of room and the desired.
* It may turn off by the cold temperature barrier function of the indoor heat exchange system.
1 10 0))M Ma aiin n k ke eyy d do oe es s n no ott w wo orrk k..
* If there is another key pushed,the other key does not work.(Check the short)
* Check the connection of PCB connectors between main and front.
1 11 1)) M Ma aiin n d diis sp plla ayy iis s iin n ttrro ou ub blle e..
* Check the micom if there is scan sign trouble.
* Check the connection of PCB connection between main and front.
IC7(MICOM)PIN 24
Pulse wave input?
Communication error
(Check the connector)
YES
NO
Compressor or Outdoor fan motor trouble
IC7(MICOM) PIN 33-35
PIN 59-63
One of the pins
'Low' input?
MICOM trouble
One of the SW1-8
'LOW' output?
YES
NO
One of the switch SW1-8 trouble
NO
YES
Check the connector and UV lamp
IC5 PIN 11-15
pulse wave output?
IC5(DRIVE IC) trouble
NO
YES
Check the connector connection, short and front PCD assy
IC7(MICOM) PIN 17-23,27
pulse wave output?
IC8 PIN 12-18
pulse wave output?
MICOM trouble
YES
IC7(MICOM) PIN 45-49
pulse wave(scan) output?
YES
NO
MICOM trouble
NO
IC8(DRIVE IC)
trouble
NO